Question

a)(×+y)ao quadrado=
b)(a+5)ao quadrado=​

Answer 1

Resposta:

a)

${(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2}$

b)

${(a + 5)}^{2} = {a}^{2} + 10a + 25$